Question

The necessary and sufficient condition that Mdx + Ndy = 0 be exact is ______

Answer 1

Answer:

unhone bataya ki yeh ghatana ravivar ki sham ek mahila

Step-by-step explanation:

RJD supremo Laloo Yadav ne b mein kahan jo gay hai tomhar tomko mein nahi tha lekin wah apne he party ke liye ek doosre ko gif ke sath apne bare jananne ki taiyari